const symbol = Symbol("Test");

function f(x: 1 | "a" | typeof symbol | {} | (() => void)): void {
  switch (typeof x) {
    case "number":
    case "object":
    case "string":
    case "symbol":
  }

  switch (typeof x) {
    case "function":
    case "object":
    case "string":
    case "symbol":
  }

  switch (typeof x) {
    case "function":
    case "number":
    case "string":
    case "symbol":
  }

  switch (typeof x) {
    case "function":
    case "number":
    case "object":
    case "symbol":
  }

  switch (typeof x) {
    case "function":
    case "number":
    case "object":
    case "string":
  }

  switch (typeof x) {
    case "function":
    case "number":
    case "object":
    case "string":
    case "symbol":
  }
}